The Complete React Developer Course (with Hooks and Redux) - Creating Custom Hooks
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What is the primary reason for creating custom React hooks?
To abstract complex logic and enhance reusability
To make components more complex
To avoid using built-in hooks
To increase the number of lines of code
2.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What naming convention is recommended for custom hooks in React?
No specific convention
Start with 'hook'
Start with 'custom'
Start with 'use'
3.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
Which React hook is used to set up state for tracking mouse position?
useEffect
useContext
useState
useReducer
4.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What is the benefit of storing X and Y positions as an object in useState?
It simplifies the code
It reduces the number of hooks used
It allows for separate updates of X and Y
It ensures X and Y are updated together
5.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What is the purpose of the useEffect hook in the custom hook implementation?
To handle side effects like event listener registration
To initialize state
To manage component styles
To render components
6.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
Why is it important to clean up event listeners in React components?
To avoid using useEffect
To prevent memory leaks and ensure efficient resource management
To make the code more readable
To increase the number of event listeners
7.
MULTIPLE CHOICE QUESTION
30 sec ⢠1 pt
What problem arises if event listeners are not properly cleaned up?
The application will have more features
The application will run faster
The application will have memory leaks
The application will not compile
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